Index: third_party/WebKit/Source/core/dom/DOMPointReadOnly.cpp |
diff --git a/third_party/WebKit/Source/core/dom/DOMPointReadOnly.cpp b/third_party/WebKit/Source/core/dom/DOMPointReadOnly.cpp |
new file mode 100644 |
index 0000000000000000000000000000000000000000..538249e9552e015e29d5d5bffaa81069af80bf87 |
--- /dev/null |
+++ b/third_party/WebKit/Source/core/dom/DOMPointReadOnly.cpp |
@@ -0,0 +1,66 @@ |
+// Copyright 2014 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#include "core/dom/DOMPointReadOnly.h" |
+ |
+#include "bindings/core/v8/ExceptionState.h" |
+#include "bindings/core/v8/ScriptValue.h" |
+#include "bindings/core/v8/V8ObjectBuilder.h" |
+#include "core/dom/DOMMatrixInit.h" |
+#include "core/dom/DOMMatrixReadOnly.h" |
+#include "core/dom/DOMPoint.h" |
+#include "core/dom/DOMPointInit.h" |
+ |
+namespace blink { |
+ |
+DOMPointReadOnly* DOMPointReadOnly::create(double x, |
+ double y, |
+ double z, |
+ double w) { |
+ return new DOMPointReadOnly(x, y, z, w); |
+} |
+ |
+ScriptValue DOMPointReadOnly::toJSONForBinding( |
+ ScriptState* scriptState) const { |
+ V8ObjectBuilder result(scriptState); |
+ result.addNumber("x", x()); |
+ result.addNumber("y", y()); |
+ result.addNumber("z", z()); |
+ result.addNumber("w", w()); |
+ return result.scriptValue(); |
+} |
+ |
+DOMPointReadOnly* DOMPointReadOnly::fromPoint(const DOMPointInit& other) { |
+ return new DOMPointReadOnly(other.x(), other.y(), other.z(), other.w()); |
+} |
+ |
+DOMPoint* DOMPointReadOnly::matrixTransform(DOMMatrixInit& other, |
+ ExceptionState& exceptionState) { |
+ DOMMatrixReadOnly* matrix = |
+ DOMMatrixReadOnly::fromMatrix(other, exceptionState); |
+ |
+ if (matrix->is2D() && z() == 0 && w() == 1) { |
+ double transformedX = |
+ x() * matrix->m11() + y() * matrix->m12() + matrix->m41(); |
+ double transformedY = |
+ x() * matrix->m12() + y() * matrix->m22() + matrix->m42(); |
+ return DOMPoint::create(transformedX, transformedY, 0, 1); |
+ } |
+ |
+ double transformedX = x() * matrix->m11() + y() * matrix->m21() + |
+ z() * matrix->m31() + w() * matrix->m41(); |
+ double transformedY = x() * matrix->m12() + y() * matrix->m22() + |
+ z() * matrix->m32() + w() * matrix->m42(); |
+ double transformedZ = x() * matrix->m13() + y() * matrix->m23() + |
+ z() * matrix->m33() + w() * matrix->m43(); |
+ double transformedW = x() * matrix->m14() + y() * matrix->m24() + |
+ z() * matrix->m34() + w() * matrix->m44(); |
+ return DOMPoint::create(transformedX, transformedY, transformedZ, |
+ transformedW); |
+} |
+ |
+DOMPointReadOnly::DOMPointReadOnly(double x, double y, double z, double w) |
+ : m_x(x), m_y(y), m_z(z), m_w(w) {} |
+ |
+} // namespace blink |